I must regularize you must regularize he must regularize we must regularize you must regularize they must regularize
V-ing form
I must be regularizing you must be regularizing he must be regularizing we must be regularizing you must be regularizing they must be regularizing
Perfect
I must have regularized you must have regularized he must have regularized we must have regularized you must have regularized they must have regularized
V-ing perfect
I must have been regularizing you must have been regularizing he must have been regularizing we must have been regularizing you must have been regularizing they must have been regularizing
Negation
Simple form
I must not regularize you must not regularize he must not regularize we must not regularize you must not regularize they must not regularize
V-ing form
I must not be regularizing you must not be regularizing he must not be regularizing we must not be regularizing you must not be regularizing they must not be regularizing
Perfect
I must not have regularized you must not have regularized he must not have regularized we must not have regularized you must not have regularized they must not have regularized
V-ing perfect
I must not have been regularizing you must not have been regularizing he must not have been regularizing we must not have been regularizing you must not have been regularizing they must not have been regularizing
Interrogative form
Simple form
must I regularize? must you regularize? must he regularize? must we regularize? must you regularize? must they regularize?
V-ing form
must I be regularizing? must you be regularizing? must he be regularizing? must we be regularizing? must you be regularizing? must they be regularizing?
Perfect
must I have regularized? must you have regularized? must he have regularized? must we have regularized? must you have regularized? must they have regularized?
V-ing perfect
must I have been regularizing? must you have been regularizing? must he have been regularizing? must we have been regularizing? must you have been regularizing? must they have been regularizing?
Interro-negative form
Simple form
must I not regularize? must you not regularize? must he not regularize? must we not regularize? must you not regularize? must they not regularize?
V-ing form
must I not be regularizing? must you not be regularizing? must he not be regularizing? must we not be regularizing? must you not be regularizing? must they not be regularizing?
Perfect
must I not have regularized? must you not have regularized? must he not have regularized? must we not have regularized? must you not have regularized? must they not have regularized?
V-ing perfect
must I not have been regularizing? must you not have been regularizing? must he not have been regularizing? must we not have been regularizing? must you not have been regularizing? must they not have been regularizing?